Katheryn Kolker

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

1765 Lininger LN
North Liberty, IA 52317-2335

Phone

(319) 665-3053

NPI assigned

Dec 22, 2025

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Physician Associates IncGroup PAC ID 1355242496, 103 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Medical Center - Cedar Rapids Hospital, Cedar Rapids, IA, CCN 160079

Medicare enrollment (NPD)

Enrolled

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Mercy Physician Associates, Inc

  • Family Medicine Physician
  • Cedar Rapids, IA
  • NPI 1427254952
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mercy Medical Center

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1720029333
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1766361600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766361600000",
    "number": "1063377018",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2315 LANDON RD APT 307",
            "city": "NORTH LIBERTY",
            "state": "IA",
            "postal_code": "523176513"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1765 LININGER LN",
            "city": "NORTH LIBERTY",
            "state": "IA",
            "postal_code": "523172335",
            "telephone_number": "319-665-3053"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOLKER",
        "first_name": "KATHERYN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-22",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Keystone North Liberty, LLC
• Julie Anne King, LISW
• Molly Kay King, DPT, ATC
• Bergynn Marie Kareen Kinnison
• Carlen Knapp
• Brienna Erin Marie Kosiek
• John Edwin Kramer, MSW
• Justin Kreiter, DPT
• Matthew W Kressin, PSY.D.
• Eva Grace Kumsher

• Physician Assistant in North Liberty, IA
• Providers in North Liberty, IA by specialty
• Physician Assistant in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.